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(Color online) Measured IEC vs MgO thickness for the free Fe layer. Inset shows the cross section of the sample.
(Color online) Longitudinal MOKE loops of the free Fe layer for several MgO thicknesses.
(Color online) Calculated IEC vs MgO thickness for (a) ideal MgO barrier and (b) MgO with oxygen vacancies.
(Color online) DOS on the vacancy site for (a) 3 ML and (b) 5 ML of MgO. The Fermi energy lies at zero. Inset shows the model vacancy DOS and calculated IEC as a function of .
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